We are Sienna Senior Living, a publicly traded company (TSX:SIA) and one of Canada’s leading owners and operators of seniors’ residences. We offer care, support, services and housing in Retirement and Long Term Care to seniors/residents and their families. And we truly believe it is a privilege to serve Canada’s seniors, ensuring they live fulfilling lives with the utmost comfort, dignity and respect.
At Sienna, we empower our 12,000 team members to help our residents live the life they desire and deserve. We provide our team members the tools and support to deliver excellent clinical care and elevate the resident experience through choice, personalization, and community engagement.
What Sienna Offers: We are a purpose driven organization. We aspire to cultivate an environment and culture where team members feel valued, heard and empowered to do meaningful work.
Position: System Administrator
Reports to: Director, Cybersecurity & Cloud Services
Hybrid Work Model: 3x a week at Markham, ON Head Office 2x a week WFH

EDUCATION & EXPERIENCE REQUIRED:

• Minimum two (2) years in a similar role
• Windows Server & Microsoft Azure, Microsoft Office365 environment and knowledge of VMWare ESXi / VCenter administration
• Administration and maintenance of end user devices – Laptops / Desktops, Mobile devices
• Strong working knowledge of Microsoft System Centre Configuration Manager – application deployment, patch management, reporting
• Build, maintain windows images using Microsoft System Centre Configuration Manager or Microsoft Deployment Toolkit
• Create, maintain and troubleshoot group policy objects
• Mobile Device Management experience - Preferably MaaS360
• Strong working knowledge of Okta and Multi-factor authentication and scripting – Windows PowerShell
• Familiar with Bitlocker and full disk encryption
• ITIL foundations or knowledge/experience
• Ability to work under pressure and has strong time management skills
• Stay up-to-date with the latest trends and best practices in cloud computing, Office 365, and related technologies, and provide recommendations for system enhancements and optimizations.
• Ability to work after hours when required
  Sienna Senior Living is committed to employment equity, diversity, and inclusion in the workplace. In accordance with provincial regulations, upon request, support will be provided for accommodations throughout the recruitment, selection, and assessment process.

• Manage day-to-day operations of enterprise systems, Office365 Hybrid environment (Exchange Online, EOP, EntraAD), Active Directory, GPO, DNS, DHCP, Bitlocker, LAPS , Microsoft System Centre Configuration Manager (imaging, patching, software deployments),
• Manage and maintain enterprise applications and SSO integrations within Okta & Microsoft Entra
• Manage IBM MaaS360, printers, physical and virtual servers (VMWare). Works with vendors as needed.
• System Administration – Perform system maintenance, upgrades, patching, and capacity planning. Develops, documents and standardizes preventative maintenance routines to ensure system availability.
• Investigate, troubleshoot and resolve incidents and problems within a defined scope of work using a ticketing system
• Documentation – create and maintain appropriate system documentation
• Disaster Recovery (DR) – play a key role in maintaining Sienna’s DR plan and annual test
• Reporting – reports any system events as they occur to IT leadership.
• Provides weekly-monthly-quarterly-annual reports to IT leadership. Prepares relevant reports for Operations team when required
• Projects – Acts as a subject matter expert on projects as assigned. Helps to develop, support and document new technologies.
• Audit – responsible for quarterly audits of Enterprise systems, reporting to internal audit and external Audit as required.
• Vendor Management – manages vendors to ensuring they comply with our vendor management & security policy. Hold meetings with vendors to ensure technical assignments and deadlines are being met.
• Administer tenant-level security controls to protect organizational data, including Conditional Access Policies and Multi-Factor Authentication (MFA).
• Stay up-to-date with the latest trends and best practices in cloud computing, Office 365, and related technologies, and provide recommendations for system enhancements and optimizations.
• Oversee and manage the backup processes, ensuring that all critical data is regularly backed up and can be restored efficiently in case of data loss or system failure.
• Assist with internal and external audits as required
• Other duties as assigned